DS64BR401 Datasheet, PDF (8/30 Pages) National Semiconductor (TI) – Quad Bi-Directional Transceiver with Equalization and De-Emphasis

Symbol
Parameter
Conditions
Min
Typ
Max
Units
T_ID
Max time to transition to valid VIN = 800 mVp-p, repeating 1100b (D24.3)
active burst after leaving idle pattern at 3 Gbps,
in OOB signaling
SD_TH = Float, Figure 3
5.5
8
ns
T_PD
Differential Propagation
Propagation delay measured at midpoint
Delay (Low to High and High crossing between input to output, Figure 2, 150
200
250
ps
to Low Edge)
EQx[1:0] = 11, DEMx[1:0] = −6 dB
EQx[1:0] = OFF, DEMx[1:0] = 0 dB
120
170
220
ps
T_LSK
Lane to Lane Skew in a
Single Part
V_DD = 2.5 V, T_A = 25°C
27
ps
T_PPSK
Part to Part Propagation
Delay Skew
V_DD = 2.5 V, T_A = 25°C
35
ps
EQUALIZATION
DJ1
Residual Deterministic Jitter Tx Launch Amplitude = 0.8 to
at 6.4 Gbps
1.2 Vp–p, 40” 4–mil FR4 trace,
EQx[1:0] = 0F, DEMx[1:0] = 0 dB,
VOD = 1.0 Vp-p, K28.5,
SD_TH = float, (Note 2)
0.12
0.25
UI_P-P
DJ2
Residual Deterministic Jitter Tx Launch Amplitude = 0.8 to
at 6.4 Gbps
1.2 Vp–p, 12 meters (30 AWG),
EQx[1:0] = 1F, DEMx[1:0] = 0 dB,
VOD = 1.0 Vp-p, K28.5,
SD_TH = float, (Note 2)
0.05
0.15
UI_P-P
DJ3
Residual Deterministic Jitter Tx Launch Amplitude = 0.8 to
at 3.2 Gbps
1.2 Vp–p, 40” 4–mil FR4 trace,
EQx[1:0] = 0F, DEMx[1:0] = 0 dB,
VOD = 1.0 Vp-p, K28.5,
SD_TH = float, (Note 2)
0.05
0.12
UI_P-P
DJ4
Residual Deterministic Jitter Tx Launch Amplitude = 0.8 to
at 3.2 Gbps
1.2 Vp–p, 12 meters (30 AWG),
EQx[1:0] = 1F, DEMx[1:0] = 0 dB,
VOD = 1.0 Vp-p, K28.5,
SD_TH = float, (Note 2)
0.06
0.16
UI_P-P
RJ
Random Jitter
Tx Launch Amplitude = 0.8 to 1.2 Vp–p,
Repeating 1100b (D24.3) pattern
0.5
psrms
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